Home / 71,468.19-98,629.92-39,636.27

Finding the Fourth Proportional to 71,468.19, 98,629.92 and 39,636.27

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Solution

The fourth proportional to 71,468.19, 98,629.92 and 39,636.27 is: 54,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,468.19 : 98,629.92 = 39,636.27 : x
  2. Step 2: Convert to fraction form
    71,468.19/98,629.92 = 39,636.27/x
  3. Step 3: Cross multiply
    71,468.19x = 98,629.92 × 39,636.27
  4. Step 4: Simplify right side
    71,468.19x = 3,909,322,139.20
  5. Step 5: Solve for x
    x = 3,909,322,139.20/71,468.19
  6. Step 6: Final answer
    x = 54,700.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.